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package org.lonetree.tc.webapp.actions;

import java.util.Set;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;
import org.lonetree.tc.core.Book.Isbn;
import org.lonetree.tc.core.Section;
import org.lonetree.tc.core.dao.BookDAO;
import org.lonetree.tc.core.dao.DAOFactory;

/**
 *
 * @author Minghui
 */
public class ListSectionBook extends org.apache.struts.action.Action {
    
    /* forward name="success" path="" */
    private final static String SUCCESS = "success";
    
    /**
     * This is the action called from the Struts framework.
     * @param mapping The ActionMapping used to select this instance.
     * @param form The optional ActionForm bean for this request.
     * @param request The HTTP Request we are processing.
     * @param response The HTTP Response we are processing.
     * @throws java.lang.Exception
     * @return
     */
    public ActionForward execute(ActionMapping mapping, ActionForm  form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        
        try{
             String isbn=request.getParameter("isbn");
             DAOFactory factory = DAOFactory.getDAOFactory(DAOFactory.FactoryImplementation.DB_DAO_FACTORY);
             BookDAO bao=factory.getBookDAO();
             Set<Section> sections=bao.getBook(new Isbn(isbn)).getSections();
             request.setAttribute("sections", sections);
             return mapping.findForward("success");
        }
        
        catch (Exception e){
            return mapping.findForward("failure");
        }
        
    }
}